DE69630496D1 - Verfahren zum Reinigen einer alkalischen Lösung und Methode zum Ätzen von Halbleiterscheiben - Google Patents
Verfahren zum Reinigen einer alkalischen Lösung und Methode zum Ätzen von HalbleiterscheibenInfo
- Publication number
- DE69630496D1 DE69630496D1 DE69630496T DE69630496T DE69630496D1 DE 69630496 D1 DE69630496 D1 DE 69630496D1 DE 69630496 T DE69630496 T DE 69630496T DE 69630496 T DE69630496 T DE 69630496T DE 69630496 D1 DE69630496 D1 DE 69630496D1
- Authority
- DE
- Germany
- Prior art keywords
- cleaning
- alkaline solution
- semiconductor wafers
- etching semiconductor
- etching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title 2
- 239000012670 alkaline solution Substances 0.000 title 1
- 238000004140 cleaning Methods 0.000 title 1
- 238000005530 etching Methods 0.000 title 1
- 239000004065 semiconductor Substances 0.000 title 1
- 235000012431 wafers Nutrition 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Weting (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22035095 | 1995-08-29 | ||
JP22035095 | 1995-08-29 | ||
JP21850396A JP3678505B2 (ja) | 1995-08-29 | 1996-08-20 | 半導体ウェーハをエッチングするためのアルカリ溶液の純化方法及び半導体ウェーハのエッチング方法 |
JP21850396 | 1996-08-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69630496D1 true DE69630496D1 (de) | 2003-12-04 |
DE69630496T2 DE69630496T2 (de) | 2004-05-06 |
Family
ID=26522596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69630496T Expired - Lifetime DE69630496T2 (de) | 1995-08-29 | 1996-08-28 | Verfahren zum Reinigen einer alkalischen Lösung und Methode zum Ätzen von Halbleiterscheiben |
Country Status (6)
Country | Link |
---|---|
US (1) | US6110839A (de) |
EP (1) | EP0761599B1 (de) |
JP (1) | JP3678505B2 (de) |
KR (1) | KR100418443B1 (de) |
DE (1) | DE69630496T2 (de) |
MY (1) | MY119496A (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3506172B2 (ja) * | 1997-03-13 | 2004-03-15 | 信越半導体株式会社 | 半導体ウェーハのエッチング方法 |
US6074960A (en) * | 1997-08-20 | 2000-06-13 | Micron Technology, Inc. | Method and composition for selectively etching against cobalt silicide |
MY119304A (en) * | 1997-12-11 | 2005-04-30 | Shinetsu Handotai Kk | Silicon wafer etching method and silicon wafer etchant |
KR20010064043A (ko) * | 1999-12-24 | 2001-07-09 | 구본준, 론 위라하디락사 | 박막트랜지스터 및 액정표시장치용 어레이기판제조방법 |
JP2001250807A (ja) * | 1999-12-28 | 2001-09-14 | Shin Etsu Handotai Co Ltd | エッチング液、エッチング方法及び半導体シリコンウェーハ |
US6503363B2 (en) | 2000-03-03 | 2003-01-07 | Seh America, Inc. | System for reducing wafer contamination using freshly, conditioned alkaline etching solution |
WO2004027840A2 (en) * | 2002-09-18 | 2004-04-01 | Memc Electronic Materials, Inc. | Process for etching silicon wafers |
JP4424039B2 (ja) | 2004-04-02 | 2010-03-03 | 株式会社Sumco | 半導体ウェーハの製造方法 |
WO2006009668A1 (en) * | 2004-06-16 | 2006-01-26 | Memc Electronic Materials, Inc. | Silicon wafer etching process and composition |
JP4487753B2 (ja) * | 2004-12-10 | 2010-06-23 | 株式会社Sumco | シリコンウェーハ用のアルカリエッチング液及び該エッチング液を用いたエッチング方法 |
JP4517867B2 (ja) * | 2005-01-31 | 2010-08-04 | 株式会社Sumco | シリコンウェーハ表面形状制御用エッチング液及び該エッチング液を用いたシリコンウェーハの製造方法 |
TW200745313A (en) * | 2006-05-26 | 2007-12-16 | Wako Pure Chem Ind Ltd | Substrate etching liquid |
JP5142592B2 (ja) | 2007-06-06 | 2013-02-13 | 関東化学株式会社 | 基板の洗浄またはエッチングに用いられるアルカリ性水溶液組成物 |
JP5040564B2 (ja) * | 2007-09-28 | 2012-10-03 | 株式会社Sumco | シリコンウェーハの製造方法 |
US8652350B2 (en) * | 2008-02-27 | 2014-02-18 | Jsr Corporation | Chemical mechanical polishing aqueous dispersion, chemical mechanical polishing method using the same, and method of recycling chemical mechanical polishing aqueous dispersion |
US8192822B2 (en) * | 2008-03-31 | 2012-06-05 | Memc Electronic Materials, Inc. | Edge etched silicon wafers |
TW201006765A (en) * | 2008-08-07 | 2010-02-16 | Yeou Fa Chemical Co Ltd | Method for purifying potassium hydroxide aqueous solution rich in silicon impurities |
WO2010059556A1 (en) * | 2008-11-19 | 2010-05-27 | Memc Electronic Materials, Inc. | Method and system for stripping the edge of a semiconductor wafer |
US8853054B2 (en) | 2012-03-06 | 2014-10-07 | Sunedison Semiconductor Limited | Method of manufacturing silicon-on-insulator wafers |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS539295A (en) * | 1976-07-13 | 1978-01-27 | Nippon Soda Co Ltd | Production of high purity inorganic compounds |
JPS5547221A (en) * | 1978-09-27 | 1980-04-03 | Tsurumi Soda Kk | Production of purified aqueous caustic alkali solution |
JPS5574142A (en) * | 1978-11-28 | 1980-06-04 | Fuji Electric Co Ltd | Refining of semiconductor etching alkaline liquid |
US4859280A (en) * | 1986-12-01 | 1989-08-22 | Harris Corporation | Method of etching silicon by enhancing silicon etching capability of alkali hydroxide through the addition of positive valence impurity ions |
JP2994405B2 (ja) * | 1989-08-11 | 1999-12-27 | 関東化学株式会社 | 水酸化アルカリの精製法 |
US5348617A (en) * | 1991-12-23 | 1994-09-20 | Iowa State University Research Foundation, Inc. | Selective etching process |
JP3072876B2 (ja) * | 1993-09-17 | 2000-08-07 | 日曹エンジニアリング株式会社 | エッチング液の精製方法 |
-
1996
- 1996-08-20 JP JP21850396A patent/JP3678505B2/ja not_active Expired - Fee Related
- 1996-08-27 US US08/703,645 patent/US6110839A/en not_active Expired - Lifetime
- 1996-08-27 MY MYPI96003535A patent/MY119496A/en unknown
- 1996-08-28 EP EP96113770A patent/EP0761599B1/de not_active Expired - Lifetime
- 1996-08-28 DE DE69630496T patent/DE69630496T2/de not_active Expired - Lifetime
- 1996-08-29 KR KR1019960036304A patent/KR100418443B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP3678505B2 (ja) | 2005-08-03 |
EP0761599A2 (de) | 1997-03-12 |
DE69630496T2 (de) | 2004-05-06 |
US6110839A (en) | 2000-08-29 |
EP0761599B1 (de) | 2003-10-29 |
MY119496A (en) | 2005-06-30 |
JPH09129624A (ja) | 1997-05-16 |
KR100418443B1 (ko) | 2004-06-30 |
EP0761599A3 (de) | 1999-01-07 |
KR970013092A (ko) | 1997-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |